Finding the Fourth Proportional to 283,758.12, 391,343.40 and 202,362.84
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Solution
The fourth proportional to 283,758.12, 391,343.40 and 202,362.84 is: 279,087.56
Step by Step Solution
- Step 1: Write the proportion equation
283,758.12 : 391,343.40 = 202,362.84 : x - Step 2: Convert to fraction form
283,758.12/391,343.40 = 202,362.84/x - Step 3: Cross multiply
283,758.12x = 391,343.40 × 202,362.84 - Step 4: Simplify right side
283,758.12x = 79,193,361,839.26 - Step 5: Solve for x
x = 79,193,361,839.26/283,758.12 - Step 6: Final answer
x = 279,087.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.